// 年级过滤
export function grades(item) {
  switch (item) {
    case "初一":
      return 7;
    case "初二":
      return 8;
    case "初三":
      return 9;
    case "高一":
      return 10;
    case "高二":
      return 11;
    case "高三":
      return 12;
  }
}

// 文章列表的时间过滤
export function date(time) {
  {
    let oldDate = new Date(time);
    let newDate = new Date();
    var dayNum = "";
    var getTime = (newDate.getTime() - oldDate.getTime()) / 1000;

    if (getTime < 60 * 5) {
      dayNum = "刚刚";
    } else if (getTime >= 60 * 5 && getTime < 60 * 60) {
      dayNum = parseInt(getTime / 60) + "分钟前";
    } else if (getTime >= 3600 && getTime < 3600 * 24) {
      dayNum = parseInt(getTime / 3600) + "小时前";
    } else if (getTime >= 3600 * 24 && getTime < 3600 * 24 * 30) {
      dayNum = parseInt(getTime / 3600 / 24) + "天前";
    } else if (
      getTime >= 3600 * 24 * 30 &&
      getTime < 3600 * 24 * 30 * 12
    ) {
      dayNum = parseInt(getTime / 3600 / 24 / 30) + "个月前";
    } else if (time >= 3600 * 24 * 30 * 12) {
      dayNum = parseInt(getTime / 3600 / 24 / 30 / 12) + "年前";
    }

    let year = oldDate.getFullYear();
    let month = oldDate.getMonth() + 1;
    let day = oldDate.getDate();
    let hour = oldDate.getHours();
    let minute = oldDate.getMinutes();
    let second = oldDate.getSeconds();
    return dayNum;
    // +
    // " " +
    // year +
    // "-" +
    // month +
    // "-" +
    // day +
    // " " +
    // hour +
    // ":" +
    // minute +
    // ":" +
    // second
  }
}
